7th grade math question urgent!

if a and b are opposites, what can you say about the locations of a and b on the number line? group of answer choices a is to the right of b. a is to the left of b. a and b are the same distance away from 0. there is not enough information given.

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Which letters from the table represent like terms? a and b b and c a and d b and d

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?